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CN1181975C - Screen printing apparatus and screen printing method - Google Patents

Screen printing apparatus and screen printing method Download PDF

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Publication number
CN1181975C
CN1181975C CNB021413916A CN02141391A CN1181975C CN 1181975 C CN1181975 C CN 1181975C CN B021413916 A CNB021413916 A CN B021413916A CN 02141391 A CN02141391 A CN 02141391A CN 1181975 C CN1181975 C CN 1181975C
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CN
China
Prior art keywords
masking plate
paste
space
screen printing
wiper
Prior art date
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Expired - Fee Related
Application number
CNB021413916A
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Chinese (zh)
Other versions
CN1397428A (en
Inventor
�˱�Т
阿部成孝
深川贵弘
前田亮
坂本博利
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Publication date
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Publication of CN1397428A publication Critical patent/CN1397428A/en
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Publication of CN1181975C publication Critical patent/CN1181975C/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
    • H05K3/1233—Methods or means for supplying the conductive material and for forcing it through the screen or stencil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/44—Squeegees or doctors
    • B41F15/46—Squeegees or doctors with two or more operative parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00—Screen printing machines
    • B41P2215/10—Screen printing machines characterised by their constructional features
    • B41P2215/13—Devices for increasing ink penetration
    • B41P2215/132—Devices for increasing ink penetration by increasing pressure above the screen
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
    • H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
    • H05K2203/0139—Blade or squeegee, e.g. for screen printing or filling of holes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Screen Printers (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

A screen printing method and apparatus for applying paste into pattern apertures of a mask plate by sliding a filling member provided at a lower end of a squeegee head. The filling member forms an acute angle with an upper surface of the mask plate. Any extra paste on the mask plate is wiped by sliding a wiper provided at a lower end of the squeegee head. The wiper forms an obtuse angle with the upper surface of the mask plate.

Description

Screen printing apparatus and method for printing screen
Technical field
The present invention relates to a kind of being used for is printed on suprabasil screen printing apparatus with the paste such as welding paste or conductive paste, and the method for printing screen that uses this equipment.
Background technology
In the electronic component mounting process, adopt silk screen printing to be printed in the substrate such as the paste of welding paste or conductive paste.According to silk screen printing, on substrate, place a masking plate, this masking plate has and the corresponding model hole, position that will print, by using the method for brushing, by the model hole paste is printed on the substrate.
According to the brushing method or the equipment of routine, a kind of so-called enclosed type squeegee head is disclosed in the U.S. Patent No. 6171399, it has paste is contained in wherein container.According to this case type squeegee head, solder(ing) paste is not to be supplied on the masking plate by squeegee head individually.But when squeegee head is mobile under the situation that its lower end and masking plate keep in touch, the solder(ing) paste in the squeegee head container supplied with is filled in the model hole of masking plate.
The general requirement of brushing method or equipment is filled in solder(ing) paste in the model hole of masking plate, and solder(ing) paste unnecessary on the masking plate is wiped.According to the brushing method and the equipment of routine, if the squeegee of squeegee head (wiper) has such shape or attach angle, promptly the filling capacity of solder(ing) paste obtains satisfying well, and wiping characteristic so degenerates.On the other hand, if squeegee has such shape or attach angle, promptly wiping properties obtains satisfying well, and the filling capacity of solder(ing) paste degenerates so.So filling capacity and wiping properties that conventional brushing method and equipment can not satisfy solder(ing) paste simultaneously.
Summary of the invention
Correspondingly, the purpose of this invention is to provide a kind of screen printing apparatus and method, they can satisfy the filling capacity and the wiping properties of paste simultaneously.
Another object of the present invention provides a kind of screen printing apparatus and the method that can improve the paste filling capacity of enclosed type squeegee head.
According to a first aspect of the invention, promote squeegee head towards masking plate, thereby the upper surface of filling member and wiper and masking plate keeps in touch, the filling member that is provided with by slip squeegee head lower end is filled into paste in the model hole of the masking plate on the substrate.What form in squeegee head is used to hold in the space of paste, and the upper surface of filling member and masking plate forms acute angle.The wiper that is provided with by slip squeegee head lower end is wiped the unnecessary paste on the masking plate.What form in squeegee head is used to hold in the space of paste, and the upper surface of wiper and masking plate forms the obtuse angle.
Therefore, paste is filled out fills performance and wiping properties is met simultaneously.
According to another aspect of the present invention, when squeegee head is in holding fix, apply first pressure on the paste in the squeegee head to holding.When squeegee head is mobile on masking plate, the paste that is contained in the described squeegee head is applied second pressure littler than first pressure.
Therefore, improved the paste filling capacity of enclosed type squeegee head.
In accordance with a further aspect of the present invention, provide a kind of model hole that is used for by masking plate that paste is printed on screen printing apparatus on the substrate, this screen printing apparatus comprises: be used for paste is printed on squeegee head on the substrate, described squeegee head has the parts that define the space that is used to hold paste; Be used to produce pressure so that described squeegee head is pushed to the pressurizer of described masking plate; Be arranged on the filling member of described squeegee head first lower end, the upper surface of described filling member and masking plate forms acute angle in described space; And being arranged on the wiper of described squeegee head second lower end, the upper surface of described wiper and masking plate forms the obtuse angle in described space; Wherein said squeegee head is pushed to described masking plate, thereby the upper surface of filling member and wiper and masking plate keeps in touch.
Description of drawings
Fig. 1 is that the part master according to the screen printing apparatus of the embodiment of the invention looks schematic diagram;
Fig. 2 is the local schematic side view according to the screen printing apparatus of the embodiment of the invention;
Fig. 3 is that the part section master according to the squeegee head of embodiment of the invention screen printing apparatus looks schematic diagram;
Fig. 4 is the partial sectional view according to the squeegee head of embodiment of the invention screen printing apparatus;
Fig. 5 A is the view of function of the filling member of explanation squeegee head.
Fig. 5 B is the view of function of the wiper of explanation squeegee head.
Fig. 6 A and Fig. 6 B show the time chart of the relation of the pressure that is applied on the welding paste and squeegee head state.
Embodiment
As illustrated in fig. 1 and 2, substrate orientation part 1 comprises substrate holder 2 that is arranged on the unshowned movable table and the clamping element 4 that links to each other with support 2.The substrate 3 that prints is fixing by clamping element 4, and by driving movable table level and perpendicular positioning.
Silk screen is sheltered part 10 and is comprised the masking plate 12 that is fixed on the fixture 11, silk screen shelter part 10 be arranged on substrate orientation part 1 above, have model hole 122 on the masking plate 12, that will print on described model hole and the substrate 3 is local corresponding, so that form printed patterns on substrate 3.
Squeegee head 13 is positioned at silk screen and shelters part 10 tops, thereby squeegee head 13 can move up and down by lift 20.Cylinder 22 that is vertically set on the plate 21 of lift 20 equipments.
The following client link of squeegee head 13 and cylinder 22 bars 222.By manipulating cylinder 22, squeegee head 13 moves up and down with respect to masking plate 12.Cylinder 22 also as pressurizer work so that squeegee head 13 is pressed onto on the masking plate 12.U.S. Patent No. 5,996, disclosed pressure control mechanism can be applied in the embodiments of the invention in 2487.
A pair of slide block 23 is fixed on the two ends of plate 21 lower surfaces, and slide block 23 fits loosely in the guide rail 24, and guide rail 24 is arranged on the upper surface of the framework 25 that links to each other with the pedestal (not shown), thereby slide block 23 can be free to slide with respect to guide rail 24.Nut 26 is fixed on the lower surface of plate 21, and motor 28 drives the feed screw 27 with nut 26 engagements.
Squeegee head 13 is connected with lift 20, and by drive motors 28, plate 21 moves horizontally.When drive motors 28 under the situation of squeegee head 13 declines, squeegee head 13 moves horizontally on masking plate 12 and keeps in touch with masking plate 12.Be provided with printing unit 14 in the bottom of squeegee head 13, it is used to contact the surface of masking plate 12 and is used for filling welding paste 5 in model hole 122.
With reference to the accompanying drawings 3, describe the structure of printing unit 14 now in detail.Main body 30 is rectangular blocks, and it is vertically parallel with vertical X shown in Figure 2, so the longitudinal length of main body 30 is greater than the width of substrate 3, as shown in Figure 2.Main body 30 has the groove 302 that holds welding paste box 31, so the welding paste box can be loaded onto main body 30 and disassemble from above.
Welding paste box 31 stores the welding paste 5 of scheduled volume, and pre-installed on main body 30 in printing.Be used for being placed on welding paste box 31 upper openings to the increased pressure board 32 of welding paste 5 pressurizations.Increased pressure board 32 links to each other with cylinder 16 bars 162 of the side of being placed on it, and therefore, by driving cylinder 16, increased pressure board 32 operationally moves in vertical direction in welding paste box 31.
Cylinder 16 links to each other with source of the gas 18 with adjuster 184 by valve 182.In order to utilize certain pressure, (downwards) pushes masking plate 12 to welding paste 5, and adjuster 184 receives pressure according to slave controller 19 and determines signal, changes the air pressure that supplies to cylinder 16.
The bottom of welding paste box 31 constitutes the extrusion board 312 with a plurality of openings 314.When cylinder 16 promotes increased pressure boards 32 downwards the time, the welding pastes 5 in the welding paste box 31 are pushed to masking plate 12, and are extruded by the opening 314 of extrusion board 312.The pressure that is applied on the welding paste 5 is controlled by the valve 182 and the adjuster 184 of controller 19 controls.
Choke block 34 with opening 34 similar openings 342 of a plurality of and extrusion board 312 is connected the bottom of main body 30.When cylinder 16 downward paddings stuck with paste 5, welding paste 5 moved down by the opening 314 of extrusion board 312 and the opening 342 of choke block 34.The result is that the welding paste extruded 5 arrives the following space that is formed on main body 30, just, is arranged on the printing space 35 that brushing part 36 on main body 30 bottom surfaces and main body 30 bottom surfaces are surrounded.Because the welding paste 5 that is extruded is by a plurality of openings 312 and 342, so the reduction of the viscosity of welding paste 5, so that be suitable for silk screen printing.
With reference to figure 4, brushing part 36 and printing space 35 are described below.Brushing part 36 is made up of the wall body that constitutes the printing space below the main body 30.At the two ends of brushing part 36, brushing direction (direction shown in the arrow Y) is provided with slide block 362 and 364.Slide block 362 is made up of block 372 and the wiper 39 that is fixed on the block 372.Slide block 364 is made up of block 374 and the filling member 38 that is fixed on the block 374.In silk screen printing operating period, the welding paste 5 of pressurized is stored in the printing space 35 and contacts with masking plate 12 surfaces between filling member 38 and the wiper 39.
The have flexible block of filling member 38 for making by resin or synthetic rubber.Wiper 39 is thin plates of making by such as stainless metal.Being fixed on filling member 384 on the block 374 and the wiper 39 that is fixed on the block 372 is made up of a part of wall body that constitutes printing space 35.
At printing space 35, slide on masking plate 12 and keep sharp angle with the surface of masking plate 12 in the lower end 382 of filling member 38.At printing space 35, slide on masking plate and keep obtuse angles beta with the surface of masking plate 12 in the lower end 392 of wiper 39.The inner surface 384 of filling member 38 forms the filling face of filling welding paste 5 in model hole 122.The inner surface 394 of wiper 39 is formed on the wiping surface of wiping welding paste 5 on the masking plate 12.
Shown in Fig. 5 A, when squeegee head 13 was mobile on the direction shown in the arrow Z, filling member 38 was filled into welding paste 5 in the model hole 122.Shown in Fig. 5 B, when squeegee head 13 is mobile on the direction shown in the arrow W.Wiper 39 is wiped unnecessary welding paste 5 from the upper surface of masking plate 12.So the filling of welding paste 5 and wiping are to be undertaken by a reciprocating motion (back and forth movement) of squeegee head 13.
5A with reference to the accompanying drawings, when squeegee head 13 when the direction shown in the arrow moves, be filled under the situation of printing space 35 at the welding paste 5 of pressurized, a part of welding paste 5 around the filling member 38 is subjected to the rolling pressure Q from filling face 384.Welding paste 5 is filled into 122 li in the model hole of masking plate 12 satisfactorily as a result.Sharp angle preferably in 50 ° to 80 ° scope so that obtained the result.
With reference to figure 5B, when squeegee head 13 when the rightabout of direction shown in the arrow W moves, the unnecessary welding paste of masking plate 12 upper surfaces is wiped in the lower end 392 of wiper 39, wiping surface 394 is wiped unnecessary welding paste from masking plate 12.Because wiper 39 has desirable wiping thin type and becomes contact angle β with having with masking plate 12 upper surfaces, so behind the unnecessary welding paste 5 of squeegee head 13 wipings, do not have residual unnecessary welding paste 5 at the upper surface of masking plate 12.Angle β preferably between 100 ° and 180 ° so that the result who obtains.
The part that masking plate 12 is not supported by substrate 3 (this is hereinafter referred to as " non-supporting zone ") is easy to sagging.Therefore, because squeegee head 13 and 12 of masking plates may produce the slit, so the surface of masking plate 12 may be stayed by unnecessary welding paste 5.Even in this case, according to the embodiment of the invention, wiper 39 also follows the surface of masking plate 12 closely, remains on the surface of masking plate 12 to avoid welding paste 5.
Narration uses enclosed type squeegee head 13 to carry out the push operation of the welding paste 5 of silk screen printing below.
In the model hole of masking plate 12, load welding paste 5, be not only the rolling of moving the welding paste 5 that is caused by squeegee head 13, but also the welding paste 5 that is caused by 5 pressurizations to welding pastes in the squeegee head 13 push action.
In order to increase the action that pushes of welding paste 5, can increase 16 pairs of welding paste 5 applied pressures of cylinder as the paste pressurizer.Yet welding paste 5 has such characteristic usually, promptly ought be subjected to certain pressure, and it can lose flowability and harden.When the 5 suffered high pressure times of welding paste are long, with regard to this hardening phenomenon of easier appearance.Therefore, when in order to handle many substrates, and when repeating silk screen printing, the welding pastes 5 in the squeegee head 13 lose its flowability gradually, and the welding paste filling capacities in the model hole 122 reduce.
For fear of the reduction of welding paste filling capacity,, welding paste 5 is exerted pressure according to pressure scheme shown in Figure 6 according to the embodiment of the invention.Pressure scheme shown in the accompanying drawing 6A shows during the printing operation that is used for substrate 3, to the variation (by cylinder 16 applied pressures) of welding paste 5 applied pressures.
At holding fix, this position is that the non-supporting zone of squeegee head 13 on masking plate 12 is ready, and cylinder 16 is by 32 pairs of welding pastes 5 of pressure plare F1 that exerts pressure.Therefore, the welding paste 5 in the welding paste box 31 is pulled to the printing space 35 in the squeegee head 13, so that finish the preparation of printing.And then above-mentioned preparation process, printing operation begins.When squeegee head 13 moved in the Support, substrate 3 was supported on below the masking plate 12 in the Support, and 16 pairs of welding paste 5 applied pressures of cylinder reduce to pressure F2 from pressure F1.
When pressure F2 determine low as much as possible, just passable as long as welding paste 5 is filled in the model hole 112 well.If welding paste 5 is filled in the model hole 122 ideally, owing in above-mentioned preparation process, produced the inertia force of extruding welding paste 5, so pressure F2 can be zero.According to above-mentioned pressure control, welding paste 5 can be filled in the model hole 122 well, and not be used in the squeegee head the extra pressure of welding paste 5 increases.
According to the embodiment of the invention, the pressure that is added to welding paste 5 is variable, so only apply higher pressure during beamhouse operation, wherein the welding paste 5 of sufficient amount is shifted onto printing space 35, and during printing operation, apply less pressure, wherein welding paste 5 has been applied rolling pressure.
Like this, welding paste 5 hardening phenomenon that produces that continues to exert pressure is minimized, and the defective printing that is caused by welding paste 5 sclerosis reduces.
For advancing the beamhouse operation in the printing space 35, welding paste 5 can all carry out each substrate.In addition, substrate that also can every predetermined quantity carries out described beamhouse operation.
Although in conjunction with the preferred embodiments the present invention is described in detail with reference to the accompanying drawings.But it is pointed out that for the ordinary skill in the art, can make many modification and variation it.These modification and variation all do not break away from claim restricted portion of the present invention and aim.

Claims (13)

1、一种用于通过在掩蔽板上移动涂刷器头，经掩蔽板上的模型孔将糊膏印刷在基板上的丝网印刷方法，所述涂刷器头具有限定了用于容纳糊膏的空间的部件，所述方法包括以下步骤：1. A method of screen printing for printing paste on a substrate through patterned holes in a masking plate by moving a squeegee head over a masking plate, said squeegee head having defined Paste the parts of the space, the method comprising the steps of: 向着掩蔽板推动所述涂刷器头，从而填充件和擦拭器与掩蔽板的上表面保持接触；pushing the squeegee head towards the masking plate so that the filler and wiper remain in contact with the upper surface of the masking plate; 通过滑动设置在所述涂刷器头下端的填充件将所述糊膏填充到所述模型孔内，所述填充件与掩蔽板的上表面在所述空间内形成锐角；Filling the paste into the mold hole by sliding a filling piece arranged at the lower end of the applicator head, the filling piece forms an acute angle with the upper surface of the masking plate in the space; 通过滑动设置在所述涂刷器头下端的擦拭器擦去掩蔽板上表面上的多余糊膏，所述擦拭器与掩蔽板的上表面在所述空间内形成钝角。The excess paste on the upper surface of the masking plate is wiped off by sliding a wiper provided at the lower end of the applicator head, the wiper forming an obtuse angle with the upper surface of the masking plate in the space. 2、根据权利要求1所述的丝网印刷方法，其中：2. The screen printing method according to claim 1, wherein: 所述填充步骤包括在朝着糊膏存留的第一方向上滑动所述填充件；及the filling step includes sliding the filler in a first direction toward paste retention; and 所述擦拭步骤包括在与所述第一方向相反的第二方向上滑动所述擦拭器。The wiping step includes sliding the wiper in a second direction opposite the first direction. 3、根据权利要求1所述的丝网印刷方法，其中所述方法包括将所述涂刷器头推向掩蔽板，从而所述填充件和所述擦拭器与掩蔽板的上表面保持接触。3. The screen printing method of claim 1, wherein the method includes pushing the squeegee head toward the masking plate so that the filler and the wiper remain in contact with the upper surface of the masking plate. 4、根据权利要求1所述的丝网印刷方法，其中：4. The screen printing method according to claim 1, wherein: 在所述空间内，所述填充件与掩蔽板上表面之间形成的所述锐角在50°到80°的范围内；及In the space, the acute angle formed between the filler and the upper surface of the masking plate is in the range of 50° to 80°; and 在所述空间内，所述擦拭器与掩蔽板上表面之间形成的所述钝角在100°到180°的范围内。In the space, the obtuse angle formed between the wiper and the upper surface of the masking plate is in the range of 100° to 180°. 5、根据权利要求3所述的丝网印刷方法，其中：5. The screen printing method according to claim 3, wherein: 在所述空间内，所述填充件与掩蔽板上表面之间形成的所述锐角在50°到80°的范围内；及In the space, the acute angle formed between the filler and the upper surface of the masking plate is in the range of 50° to 80°; and 在所述空间内，所述擦拭器与掩蔽板上表面之间形成的所述钝角在100°到180°的范围内。In the space, the obtuse angle formed between the wiper and the upper surface of the masking plate is in the range of 100° to 180°. 6、根据权利要求1所述的丝网印刷方法，其中所述方法还包括以下步骤：6. The screen printing method according to claim 1, wherein said method further comprises the steps of: 在驱动所述涂刷器头用以印刷糊膏之前，对容纳在所述涂刷器头内的糊膏加压。Paste contained within the squeegee head is pressurized prior to driving the squeegee head for printing paste. 7、根据权利要求1所述的丝网印刷方法，其中所述方法还包括以下步骤：7. The screen printing method according to claim 1, wherein said method further comprises the steps of: 当所述涂刷器头处于等待位置时，对容纳在所述涂刷器头内的糊膏施加第一压力；及applying a first pressure to paste contained within the applicator head when the applicator head is in the waiting position; and 当所述涂刷器头在掩蔽板上移动时，对容纳在所述涂刷器头内的糊膏施加小于所述第一压力的第二压力。A second pressure less than the first pressure is applied to paste contained within the applicator head as the applicator head moves over the masking plate. 8、根据权利要求5所述的丝网印刷方法，其中所述方法还包括以下步骤：8. The screen printing method according to claim 5, wherein said method further comprises the steps of: 当所述涂刷器头处于等待位置时，对容纳在所述涂刷器头内的糊膏施加第一压力；及applying a first pressure to paste contained within the applicator head when the applicator head is in the waiting position; and 当所述涂刷器头在掩蔽板上移动时，对容纳在所述涂刷器头内的糊膏施加小于所述第一压力的第二压力。A second pressure less than the first pressure is applied to paste contained within the applicator head as the applicator head moves over the masking plate. 9、一种用于通过掩蔽板的模型孔将糊膏印刷在基板上的丝网印刷设备，该丝网印刷设备包括：9. A screen printing device for printing paste on a substrate through a pattern hole of a masking plate, the screen printing device comprising: 用于将糊膏印刷在基板上的涂刷器头，所述涂刷器头具有限定了用于容纳糊膏的空间的部件；a squeegee head for printing paste on a substrate, the squeegee head having parts defining a space for receiving the paste; 用于产生压力以便将所述涂刷器头推向所述掩蔽板的加压器；a presser for generating pressure to push the squeegee head towards the masking plate; 设置在所述涂刷器头第一下端的填充件，所述填充件与掩蔽板的上表面在所述空间内形成锐角；及a filling piece disposed at the first lower end of the applicator head, the filling piece forming an acute angle with the upper surface of the masking plate in the space; and 设置在所述涂刷器头第二下端的擦拭器，所述擦拭器与掩蔽板的上表面在所述空间内形成钝角；a wiper disposed at the second lower end of the squeegee head, the wiper forms an obtuse angle with the upper surface of the masking plate in the space; 其中所述涂刷器头被推向所述掩蔽板，从而填充件和擦拭器与掩蔽板的上表面保持接触。wherein the squeegee head is pushed towards the masking plate such that the filler and wiper remain in contact with the upper surface of the masking plate. 10、根据权利要求9所述的丝网印刷方法，其中所述设备还包括设置在所述涂刷器头上用于向所述涂刷器头内的糊膏加压的糊膏加压器。10. The screen printing method according to claim 9, wherein the apparatus further comprises a paste pressurizer provided on the squeegee head for pressurizing the paste in the squeegee head . 11、根据权利要求10所述的丝网印刷方法，其中：11. The screen printing method according to claim 10, wherein: 当所述涂刷器头处于等待位置时，所述糊膏加压器对容纳在所述空间内的糊膏施加第一压力；及the paste presser applies a first pressure to the paste contained in the space when the applicator head is in the waiting position; and 当所述涂刷器头在掩蔽板上滑动用以印刷时，所述糊膏加压器对容纳在所述空间内的糊膏施加小于所述第一压力的第二压力。The paste pressurizer applies a second pressure less than the first pressure to the paste contained in the space when the squeegee head slides on the masking plate for printing. 12、根据权利要求9所述的丝网印刷方法，其中：12. The screen printing method according to claim 9, wherein: 在所述空间内，所述填充件与掩蔽板上表面之间形成的所述锐角在50°到80°的范围内；及In the space, the acute angle formed between the filler and the upper surface of the masking plate is in the range of 50° to 80°; and 在所述空间内，所述擦拭器与掩蔽板上表面之间形成的所述钝角在100°到180°的范围内。In the space, the obtuse angle formed between the wiper and the upper surface of the masking plate is in the range of 100° to 180°. 13、根据权利要求11所述的丝网印刷方法，其中：13. The screen printing method according to claim 11, wherein: 在所述空间内，所述填充件与掩蔽板上表面之间形成的所述锐角在50°到80°的范围内；及In the space, the acute angle formed between the filler and the upper surface of the masking plate is in the range of 50° to 80°; and 在所述空间内，所述擦拭器与掩蔽板上表面之间形成的所述钝角在100°到180°的范围内。In the space, the obtuse angle formed between the wiper and the upper surface of the masking plate is in the range of 100° to 180°.
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